Correct ignored tests for geckodriver 0.16

[js] Fix new session parsing for geckodriver 0.15.0 (breaks support f…

…or older

versions)

Fixes SeleniumHQ#3625

Updating IE prebuilts for real this time

Note the Guava 21 is a requirement for java users

Not updating to this version causes people to get
compilation errors when using ExpectedConditions.

Correctly get build information

updating changelog bumping java to 3.0.1

py-chrome tests are flaky due to an issue with chromedriver

on alert handling we are encountering this bug:
https://bugs.chromium.org/p/chromedriver/issues/detail?id=1500

seems to occur at random. We either need to ignore the chrome alert tests
or wrap every alert call handling the error. until the chromedriver bug is fixed

No logical changes. Mention geckodriver is alpha in CHANGELOG

rb - change version to dev

updating Java changelog for beta2